This is the progression of world record improvements of the 300 metres hurdles M75 division of Masters athletics.
- Key
Incomplete information Pending
| Hand | Auto | Athlete | Nationality | Birthdate | Location | Date |
|---|---|---|---|---|---|---|
| 49.65 | Guido Müller |  Germany
|
22.12.1938 | Erfurt | 12.07.2014 | |
| 52.91 | Earl Fee |  Canada
|
22.03.1929 | San Sebastian | 26.08.2005 | |
| 53.15 | James Stookey |  United States
|
20.01.1930 | Honolulu | 04.08.2005 | |
| 53.4 | Albertus Van Zyl |  South Africa
|
13.08.1922 | Bloemfontein | 10.10.1998 | |
| 54.7 | Albertus Van Zyl | South Africa
|
13.08.1922 | 01.05.1998 | ||
| 55.33 | Daniel Bulkley | United States
|
04.05.1917 | Brisbane | 02.10.1994 | |
| 67.75[1] | Omar His | United States
|
Uniondale | 19.07.1986 |